Investigators are trying to determine if a man who was acting erratically and drove off in a Houston Fire Department ambulance had been using drugs.
Houston police have detained a man who allegedly stole an ambulance from outside a hospital emergency room and wrecked the emergency vehicle.
Police say five people, including three children, have been found dead inside a residence near Rice.
Gov. Bobby Jindal declared a statewide emergency Thursday after storms rolled across Louisiana, dumping huge amounts of rain and causing flooding in some areas.
Gov. Mike Beebe has issued a statewide disaster declaration after a Christmas Day winter storm dumped snow and ice throughout the state and knocked out power to more than 200,000 customers.
Leaders of the most populous county in Texas will hold a hurricane preparedness exercise.